Add support for Intel Emerald Lake 2 CRB

This adds support for Intel's Emerald Lake 2 board.

Change-Id: Ifaeeac9d52fe655324ee29df5f7187b89b35f73a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/951
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/mainboard/intel/emeraldlake2/Kconfig

@@ -0,0 +1,58 @@
+if BOARD_INTEL_EMERALDLAKE2
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select ARCH_X86
+	select CPU_INTEL_SOCKET_RPGA989
+	select NORTHBRIDGE_INTEL_IVYBRIDGE
+	select SOUTHBRIDGE_INTEL_C216
+	select SUPERIO_SMSC_SIO1007
+	select BOARD_ROMSIZE_KB_8192
+	select BOARD_HAS_FADT
+	select HAVE_ACPI_TABLES
+	select HAVE_OPTION_TABLE
+	select HAVE_ACPI_RESUME
+	select HAVE_MAINBOARD_RESOURCES
+	select MMCONF_SUPPORT
+	select HAVE_SMI_HANDLER
+	select GFXUMA
+	#select CHROMEOS
+	select EXTERNAL_MRC_BLOB
+
+config MAINBOARD_DIR
+	string
+	default intel/emeraldlake2
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "EMERALD LAKE 2"
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xf0000000
+
+config IRQ_SLOT_COUNT
+	int
+	default 18
+
+config MAX_CPUS
+	int
+	default 8
+
+config MAX_PHYSICAL_CPUS
+	int
+	default 8
+
+config VGA_BIOS_FILE
+	string
+	default "pci8086,0166.rom"
+
+config MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
+	hex
+	default 0x1ae0
+
+config MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID
+	hex
+	default 0xc000
+
+endif # BOARD_INTEL_EMERALDLAKE2